// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_RENDERERS_VIDEO_OVERLAY_FACTORY_H_
#define MEDIA_RENDERERS_VIDEO_OVERLAY_FACTORY_H_

#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "media/base/media_export.h"

namespace gfx {
class Size;
} // namespace gfx

namespace media {

class GpuVideoAcceleratorFactories;
class VideoFrame;

// Creates video overlay frames - native textures that get turned into
// transparent holes in the browser compositor using overlay system.
// This class must be used on GpuVideoAcceleratorFactories::GetTaskRunner().
class MEDIA_EXPORT VideoOverlayFactory {
public:
    explicit VideoOverlayFactory(
        ::media::GpuVideoAcceleratorFactories* gpu_factories);
    ~VideoOverlayFactory();

    scoped_refptr<::media::VideoFrame> CreateFrame(const gfx::Size& size);

private:
    class Texture;
    Texture* GetTexture();

    ::media::GpuVideoAcceleratorFactories* gpu_factories_;
    std::unique_ptr<Texture> texture_;

    DISALLOW_COPY_AND_ASSIGN(VideoOverlayFactory);
};

} // namespace media

#endif // MEDIA_RENDERERS_VIDEO_OVERLAY_FACTORY_H_
